CA2370972C - Methods and apparatus for arbitrary concatenation in a switch - Google Patents

Methods and apparatus for arbitrary concatenation in a switch Download PDF

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Publication number
CA2370972C
CA2370972C CA002370972A CA2370972A CA2370972C CA 2370972 C CA2370972 C CA 2370972C CA 002370972 A CA002370972 A CA 002370972A CA 2370972 A CA2370972 A CA 2370972A CA 2370972 C CA2370972 C CA 2370972C
Authority
CA
Canada
Prior art keywords
time slots
optical signal
signal frames
concatenated
accordance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002370972A
Other languages
English (en)
French (fr)
Other versions
CA2370972A1 (en
Inventor
Tom Q. Wellbaum
Daniel E. Klausmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ciena Corp
Original Assignee
Ciena Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciena Corp filed Critical Ciena Corp
Publication of CA2370972A1 publication Critical patent/CA2370972A1/en
Application granted granted Critical
Publication of CA2370972C publication Critical patent/CA2370972C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0623—Synchronous multiplexing systems, e.g. synchronous digital hierarchy/synchronous optical network (SDH/SONET), synchronisation with a pointer process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0028—Local loop
    • H04J2203/003—Medium of transmission, e.g. fibre, cable, radio
    • H04J2203/0032—Fibre
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
    • H04J2203/0091—Time slot assignment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S370/00—Multiplex communications
    • Y10S370/901—Wide area network
    • Y10S370/902—Packet switching
    • Y10S370/903—Osi compliant network
    • Y10S370/907—Synchronous optical network, SONET

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
CA002370972A 1999-10-26 2000-10-26 Methods and apparatus for arbitrary concatenation in a switch Expired - Lifetime CA2370972C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/427,300 US7016357B1 (en) 1999-10-26 1999-10-26 Methods and apparatus for arbitrary concatenation in a switch
US09/427,300 1999-10-26
PCT/US2000/029927 WO2001031820A2 (en) 1999-10-26 2000-10-26 Methods and apparatus for arbitrary concatenation in a switch

Publications (2)

Publication Number Publication Date
CA2370972A1 CA2370972A1 (en) 2001-05-03
CA2370972C true CA2370972C (en) 2009-10-06

Family

ID=23694284

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002370972A Expired - Lifetime CA2370972C (en) 1999-10-26 2000-10-26 Methods and apparatus for arbitrary concatenation in a switch

Country Status (5)

Country Link
US (1) US7016357B1 (de)
EP (1) EP1224834B1 (de)
CA (1) CA2370972C (de)
DE (1) DE60025249D1 (de)
WO (1) WO2001031820A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7173930B2 (en) * 1999-10-26 2007-02-06 Ciena Corporation Transparent flexible concatenation
US7227844B1 (en) * 2001-02-21 2007-06-05 Cisco Technology, Inc. Non-standard concatenation mapping for payloads
US7130263B1 (en) * 2001-03-31 2006-10-31 Redback Networks Inc. Heterogeneous connections on a bi-directional line switched ring
US6580731B1 (en) * 2001-05-18 2003-06-17 Network Elements, Inc. Multi-stage SONET overhead processing
US7075953B2 (en) * 2001-07-30 2006-07-11 Network-Elements, Inc. Programmable SONET framing
CA2356572A1 (en) * 2001-08-30 2003-02-28 Heng Liao Transmit virtual concatenation processor
US20030161355A1 (en) * 2001-12-21 2003-08-28 Rocco Falcomato Multi-mode framer and pointer processor for optically transmitted data
CN101146368B (zh) * 2006-09-13 2010-08-04 华为技术有限公司 一种多光口链路时隙碎片整理方法及其装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257261A (en) * 1990-07-27 1993-10-26 Transwitch Corporation Methods and apparatus for concatenating a plurality of lower level SONET signals into higher level sonet signals
US5361255A (en) * 1991-04-29 1994-11-01 Dsc Communications Corporation Method and apparatus for a high speed asynchronous transfer mode switch
US5329524A (en) * 1992-10-20 1994-07-12 At&T Bell Laboratories TDM circuit-switching arrangement that handles frames of different sizes
CA2116254A1 (en) * 1993-07-07 1995-01-08 Zygmunt Haas Optical packet synchronization circuit
US5416772A (en) * 1993-08-20 1995-05-16 At&T Corp. Apparatus for insertion of overhead protocol data into a switched data stream
JP2600596B2 (ja) * 1993-11-10 1997-04-16 日本電気株式会社 クロスコネクト装置
CA2124610C (en) * 1994-05-30 1998-10-06 Charles Kevin Huscroft Integrated user network interface device
US5461622A (en) * 1994-06-14 1995-10-24 Bell Communications Research, Inc. Method and apparatus for using SONET overheat to align multiple inverse multiplexed data streams
US6058119A (en) * 1995-04-15 2000-05-02 International Business Machines Corporation SDH/sonet interface
JP3425046B2 (ja) * 1996-11-29 2003-07-07 富士通株式会社 受信ポインタ処理装置
EP0935362A3 (de) * 1998-02-06 2005-02-02 Alcatel Synchronisiereinrichtung für ein synchrones digitales Nachrichtenübertragungssystem und Verfahren zum Erzeugen eines synchronen Ausgangssignales
US6266333B1 (en) * 1998-06-02 2001-07-24 Lucent Technologies Inc. Network-independent routing of communication signals
US6147968A (en) * 1998-10-13 2000-11-14 Nortel Networks Corporation Method and apparatus for data transmission in synchronous optical networks

Also Published As

Publication number Publication date
EP1224834B1 (de) 2005-12-28
DE60025249D1 (de) 2006-02-02
US7016357B1 (en) 2006-03-21
EP1224834A2 (de) 2002-07-24
WO2001031820A2 (en) 2001-05-03
WO2001031820A3 (en) 2002-01-17
CA2370972A1 (en) 2001-05-03

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Effective date: 20201026